diff --git a/gala/potential/potential/builtin/core.py b/gala/potential/potential/builtin/core.py
index cf0be3d9..9793090e 100644
--- a/gala/potential/potential/builtin/core.py
+++ b/gala/potential/potential/builtin/core.py
@@ -407,6 +407,8 @@ def from_r0(r0, units=None):
 
         Initialize a Burkert potential from the core radius, ``r0``.
 
+        See Equations 4 and 5 of Mori & Burkert.
+
         Parameters
         ----------
         r0 : :class:`~astropy.units.Quantity`, numeric [length]